<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <!--径向渐变，圆形渐变-->
    <style>
        body{
            background-color: #8BC6EC;
            background-image: linear-gradient(135deg, #8BC6EC 0%, #9599E2 100%);
        }
    </style>

</head>
<body>

</body>
</html>